Jared is tiling his kitchen. He wants to buy tile at the cheapest price. The local hardware store sells tile for $5.27 per squar
1 answer:
The cheapest price for 100 square feet $527 is at the local hardware store.
<h3>What is the price for 100 square feet at the local hardware store?</h3>The total price is equivalent to the price of tile per foot multiplied by 100.
- $5.27 per square foot of tile x 100 = $527
The total price is equivalent to the price of tile per foot multiplied by 100.
- $5.35 per square foot of tile x 100 = $535
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Answer:
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Step-by-step explanation:
Given
In 1990; Income= $39000
In 2010; Income= $70768
Solving (a): An equation in form of f(x) = ax + b
First, we need to determine the slope, a
Taking y as income and x as year index.
When x = 0; y = 39000
When x = 20; y = 70768
Substitute these values in the above formula
Next, is to determine the formula using:
<em>Considering :When x = 0; y = 39000, we have</em>
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<em>Make y the subject of formula</em>
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<em>Express y as a function of x</em>
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Solving (b): Income in 2005
<em>In 2005, x = 15</em>
So:
becomes